Hook



FIG. 1 is a front elevation view showing my design;

FIG. 2 is a rear elevation view thereof;

FIG. 3 is a left side elevation view thereof, the right side elevation view being a mirror image of said left side view;

FIG. 4 is a top plan view thereof;

FIG. 5 is a bottom plan view thereof; and

FIG. 6 is a cross sectional view thereof taken in the direction indicated by the cutting plane 6--6 in FIG. 1, and drawn to a somewhat larger scale. 

The ornamental design for a hook, substantially as shown and described. 